Re: Ford 8N tractor starter won't disengage, Positive Drive type

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Posted by Brad on March 10, 2020 at 22:09:06 [URL] [DELETE] :

In Reply to: Re: Ford 8N tractor starter won't disengage, Positive Drive type posted by TheOldHokie on March 10, 2020 at 14:13:50:

You're not going to believe this ... I don't want to believe this, but I was there and it happened ... I'm wondering if a previous owner was a lawyer named Murphy? ... Possibly headquartered out of Sioux City ...Murphy's Law

I worked the starter over, checked everything out thoroughly, did a complete detailed cleaning of Bendix Drive, lubed spiral grooves with dry silicone lubricant, make sure everything was functioning as well as was practical to determine ... got the starter & everything installed back into 8N tractor and everything hooked up ...

I had just finished cleaning the battery terminals, once the starter was in place, last connection was battery ground cable ... Soon as ground cable made contact with battery terminal, there was a big spark, and starter began turning the engine over! ... Glad I was being cautious as a matter of habit and keeping all of my bits and pieces out of Harm's Way! ... That surely wasn't expected...

Removing the ground cable and troubleshooting wiring with ohm meter, I quickly determined starter solenoid was faulted in the "on" condition! ... Puzzling, I know I checked this before, and solenoid wasn't shorted, but there you go ... not my best work in that ... it would surely explain the symptoms of starter hanging up and failing to retract from ring gear ... due to a faulty starter relay keeping starter turning ...

Oui! ... If we learn from our mistakes, seems I'm bound to be a bloody genius!!! ;-D lol ... Oh well, at least problem's resolved :-)

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